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use std::fmt;
#[derive(Debug)]
pub struct Filter {
inner: String,
}
impl Filter {
pub fn new(spec: &str) -> Result<Filter, String> {
Ok(Filter {
inner: spec.to_string(),
})
}
pub fn is_match(&self, s: &str) -> bool {
s.contains(&self.inner)
}
}
impl fmt::Display for Filter {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
self.inner.fmt(f)
}
}